/** ****************************************************************************** * @file adc.c * @brief This file provides code for the configuration * of the ADC instances. ****************************************************************************** * @attention * *

© Copyright (c) 2021 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "adc.h" /* USER CODE BEGIN 0 */ uint16_t adc1ValBuf[ADC_CHANNEL_REF + 1] = {0}; /* USER CODE END 0 */ ADC_HandleTypeDef hadc1; DMA_HandleTypeDef hdma_adc1; /* ADC1 init function */ void MX_ADC1_Init(void) { /* USER CODE BEGIN ADC1_Init 0 */ /* USER CODE END ADC1_Init 0 */ ADC_ChannelConfTypeDef sConfig = {0}; /* USER CODE BEGIN ADC1_Init 1 */ /* USER CODE END ADC1_Init 1 */ /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) */ hadc1.Instance = ADC1; hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; hadc1.Init.Resolution = ADC_RESOLUTION_12B; hadc1.Init.ScanConvMode = ENABLE; hadc1.Init.ContinuousConvMode = ENABLE; hadc1.Init.DiscontinuousConvMode = DISABLE; hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START; hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; hadc1.Init.NbrOfConversion = 6; hadc1.Init.DMAContinuousRequests = ENABLE; hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV; if (HAL_ADC_Init(&hadc1) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_12; sConfig.Rank = 1; sConfig.SamplingTime = ADC_SAMPLETIME_28CYCLES; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_13; sConfig.Rank = 2; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_14; sConfig.Rank = 3; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_15; sConfig.Rank = 4; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_TEMPSENSOR; sConfig.Rank = 5; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. */ sConfig.Channel = ADC_CHANNEL_VREFINT; sConfig.Rank = 6; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN ADC1_Init 2 */ HAL_ADC_Start_DMA(&hadc1, (uint32_t *) &adc1ValBuf, hadc1.Init.NbrOfConversion); /* USER CODE END ADC1_Init 2 */ } void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(adcHandle->Instance==ADC1) { /* USER CODE BEGIN ADC1_MspInit 0 */ /* USER CODE END ADC1_MspInit 0 */ /* ADC1 clock enable */ __HAL_RCC_ADC1_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); /**ADC1 GPIO Configuration PC2 ------> ADC1_IN12 PC3 ------> ADC1_IN13 PC4 ------> ADC1_IN14 PC5 ------> ADC1_IN15 */ GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* ADC1 DMA Init */ /* ADC1 Init */ hdma_adc1.Instance = DMA2_Stream0; hdma_adc1.Init.Channel = DMA_CHANNEL_0; hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE; hdma_adc1.Init.MemInc = DMA_MINC_ENABLE; hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; hdma_adc1.Init.Mode = DMA_CIRCULAR; hdma_adc1.Init.Priority = DMA_PRIORITY_LOW; hdma_adc1.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_adc1) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc1); /* ADC1 interrupt Init */ HAL_NVIC_SetPriority(ADC_IRQn, 5, 0); HAL_NVIC_EnableIRQ(ADC_IRQn); /* USER CODE BEGIN ADC1_MspInit 1 */ /* USER CODE END ADC1_MspInit 1 */ } } void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle) { if(adcHandle->Instance==ADC1) { /* USER CODE BEGIN ADC1_MspDeInit 0 */ /* USER CODE END ADC1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_ADC1_CLK_DISABLE(); /**ADC1 GPIO Configuration PC2 ------> ADC1_IN12 PC3 ------> ADC1_IN13 PC4 ------> ADC1_IN14 PC5 ------> ADC1_IN15 */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5); /* ADC1 DMA DeInit */ HAL_DMA_DeInit(adcHandle->DMA_Handle); /* ADC1 interrupt Deinit */ HAL_NVIC_DisableIRQ(ADC_IRQn); /* USER CODE BEGIN ADC1_MspDeInit 1 */ /* USER CODE END ADC1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ float AdcGetChipTemperature() { float tempVal = TEMPSENSOR_CAL1_TEMP + (float) (adc1ValBuf[ADC_CHANNEL_TEMP] - *(__IO uint16_t *) (TEMPSENSOR_CAL1_ADDR)) * (TEMPSENSOR_CAL2_TEMP - TEMPSENSOR_CAL1_TEMP) / (float) (*(__IO uint16_t *) (TEMPSENSOR_CAL2_ADDR) - *(__IO uint16_t *) (TEMPSENSOR_CAL1_ADDR)); return tempVal; } float AdcGetVoltage(uint32_t _channel) { uint8_t index = 0; switch (_channel) { case ADC_CH1: index = 0; break; case ADC_CH2: index = 1; break; case ADC_CH3: index = 2; break; case ADC_CH4: index = 3; break; default: index = 0; } float val = (float) adc1ValBuf[ADC_CHANNEL_REF] / (float) (*(__IO uint16_t *) (VREFINT_CAL_ADDR)) * (float) adc1ValBuf[index] / 4095 * 3.3f; return val; } uint16_t AdcGetRaw(uint32_t _channel) { uint8_t index = 0; switch (_channel) { case ADC_CH1: index = 0; break; case ADC_CH2: index = 1; break; case ADC_CH3: index = 2; break; case ADC_CH4: index = 3; break; default: index = 0; } return adc1ValBuf[index]; } /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/